src/llvm-project/llvm/test/CodeGen/AArch64/GlobalISel/combine-select.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs -mtriple aarch64-unknown- --aarch64postlegalizercombiner-only-enable-rule="select_to_logical" %s -o - | FileCheck %s
# RUN: llc -debugify-and-strip-all-safe -run-pass=aarch64-prelegalizer-combiner -verify-machineinstrs -mtriple aarch64-unknown-unknown %s -o - | FileCheck %s
# REQUIRES: asserts
---
# select (c, x, x) -> x
name:            test_combine_select_same_res
body:             |
  bb.1:
    liveins: $x0, $x1
    ; CHECK-LABEL: name: test_combine_select_same_res
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK-NEXT: $x0 = COPY [[COPY]](s64)
    %0:_(s64) = COPY $x0
    %1:_(s1) = G_TRUNC %0
    %2:_(s64) = G_SELECT %1, %0, %0
    $x0 = COPY %2(s64)
...
---
# select (undef, x, y) -> y
name:            test_combine_select_undef_res0_res1
body:             |
  bb.1:
    liveins: $x0, $x1
    ; CHECK-LABEL: name: test_combine_select_undef_res0_res1
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK-NEXT: $x0 = COPY [[COPY]](s64)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s1) = G_IMPLICIT_DEF
    %3:_(s64) = G_SELECT %2, %0, %1
    $x0 = COPY %3(s64)
...
---
# select (false, x, y) -> y
name:            test_combine_select_false_res0_res1
body:             |
  bb.1:
    liveins: $x0, $x1
    ; CHECK-LABEL: name: test_combine_select_false_res0_res1
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x1
    ; CHECK-NEXT: $x0 = COPY [[COPY]](s64)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s1) = G_CONSTANT i1 false
    %3:_(s64) = G_SELECT %2, %0, %1
    $x0 = COPY %3(s64)
...
---
# vector select (false, x, y) -> y
name:            test_combine_vector_select_false_res0_res1
body:             |
  bb.1:
    liveins: $q0, $q1
    ; CHECK-LABEL: name: test_combine_vector_select_false_res0_res1
    ; CHECK: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q1
    ; CHECK-NEXT: $q0 = COPY [[COPY]](<4 x s32>)
    %0:_(<4 x s32>) = COPY $q0
    %1:_(<4 x s32>) = COPY $q1
    %2:_(s1) = G_CONSTANT i1 false
    %condvec:_(<4 x s1>) = G_BUILD_VECTOR %2, %2, %2, %2
    %3:_(<4 x s32>) = G_SELECT %condvec, %0, %1
    $q0 = COPY %3(<4 x s32>)
...
---
# select (true, x, y) -> x
name:            test_combine_select_true_res0_res1
body:             |
  bb.1:
    liveins: $x0, $x1
    ; CHECK-LABEL: name: test_combine_select_true_res0_res1
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK-NEXT: $x0 = COPY [[COPY]](s64)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s1) = G_CONSTANT i1 true
    %3:_(s64) = G_SELECT %2, %0, %1
    $x0 = COPY %3(s64)
...
---
# vector select (true, x, y) -> x
name:            test_combine_vector_select_true_res0_res1
body:             |
  bb.1:
    liveins: $q0, $q1
    ; CHECK-LABEL: name: test_combine_vector_select_true_res0_res1
    ; CHECK: [[COPY:%[0-9]+]]:_(<4 x s32>) = COPY $q0
    ; CHECK-NEXT: $q0 = COPY [[COPY]](<4 x s32>)
    %0:_(<4 x s32>) = COPY $q0
    %1:_(<4 x s32>) = COPY $q1
    %2:_(s1) = G_CONSTANT i1 true
    %condvec:_(<4 x s1>) = G_BUILD_VECTOR %2, %2, %2, %2
    %3:_(<4 x s32>) = G_SELECT %condvec, %0, %1
    $q0 = COPY %3(<4 x s32>)
...
---
# select Cond, Cond, F --> or Cond, F
name:            bool_cond_cond_false
body:             |
  bb.1:
    liveins: $x0, $x1, $x2
    ; CHECK-LABEL: name: bool_cond_cond_false
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x2
    ; CHECK-NEXT: %c:_(s1) = G_TRUNC [[COPY]](s64)
    ; CHECK-NEXT: %f:_(s1) = G_TRUNC [[COPY1]](s64)
    ; CHECK-NEXT: %sel:_(s1) = G_OR %c, %f
    ; CHECK-NEXT: %ext:_(s32) = G_ANYEXT %sel(s1)
    ; CHECK-NEXT: $w0 = COPY %ext(s32)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s64) = COPY $x2
    %c:_(s1) = G_TRUNC %0
    %t:_(s1) = G_TRUNC %1
    %f:_(s1) = G_TRUNC %2
    %sel:_(s1) = G_SELECT %c, %c, %f
    %ext:_(s32) = G_ANYEXT %sel
    $w0 = COPY %ext(s32)
...
---
# select Cond, 1, F    --> or Cond, F
name:            bool_cond_one_false
body:             |
  bb.1:
    liveins: $x0, $x1, $x2
    ; CHECK-LABEL: name: bool_cond_one_false
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x2
    ; CHECK-NEXT: %c:_(s1) = G_TRUNC [[COPY]](s64)
    ; CHECK-NEXT: %f:_(s1) = G_TRUNC [[COPY1]](s64)
    ; CHECK-NEXT: %sel:_(s1) = G_OR %c, %f
    ; CHECK-NEXT: %ext:_(s32) = G_ANYEXT %sel(s1)
    ; CHECK-NEXT: $w0 = COPY %ext(s32)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s64) = COPY $x2
    %c:_(s1) = G_TRUNC %0
    %t:_(s1) = G_TRUNC %1
    %f:_(s1) = G_TRUNC %2
    %one:_(s1) = G_CONSTANT i1 1
    %sel:_(s1) = G_SELECT %c, %one, %f
    %ext:_(s32) = G_ANYEXT %sel
    $w0 = COPY %ext(s32)
...
---
# select Cond, 1, F    --> or Cond, F
name:            bool_cond_one_false_vector
body:             |
  bb.1:
    liveins: $d0, $d1, $d2
    ; CHECK-LABEL: name: bool_cond_one_false_vector
    ; CHECK: [[COPY:%[0-9]+]]:_(<2 x s32>) = COPY $d0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(<2 x s32>) = COPY $d2
    ; CHECK-NEXT: %c:_(<2 x s1>) = G_TRUNC [[COPY]](<2 x s32>)
    ; CHECK-NEXT: %f:_(<2 x s1>) = G_TRUNC [[COPY1]](<2 x s32>)
    ; CHECK-NEXT: %sel:_(<2 x s1>) = G_OR %c, %f
    ; CHECK-NEXT: %ext:_(<2 x s32>) = G_ANYEXT %sel(<2 x s1>)
    ; CHECK-NEXT: $d0 = COPY %ext(<2 x s32>)
    %0:_(<2 x s32>) = COPY $d0
    %1:_(<2 x s32>) = COPY $d1
    %2:_(<2 x s32>) = COPY $d2
    %c:_(<2 x s1>) = G_TRUNC %0
    %t:_(<2 x s1>) = G_TRUNC %1
    %f:_(<2 x s1>) = G_TRUNC %2
    %one:_(s1) = G_CONSTANT i1 1
    %one_vec:_(<2 x s1>) = G_BUILD_VECTOR %one, %one
    %sel:_(<2 x s1>) = G_SELECT %c, %one_vec, %f
    %ext:_(<2 x s32>) = G_ANYEXT %sel
    $d0 = COPY %ext(<2 x s32>)
...
---
# select Cond, T, Cond --> and Cond, T
name:            bool_cond_true_cond
body:             |
  bb.1:
    liveins: $x0, $x1, $x2
    ; CHECK-LABEL: name: bool_cond_true_cond
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
    ; CHECK-NEXT: %c:_(s1) = G_TRUNC [[COPY]](s64)
    ; CHECK-NEXT: %t:_(s1) = G_TRUNC [[COPY1]](s64)
    ; CHECK-NEXT: %sel:_(s1) = G_AND %c, %t
    ; CHECK-NEXT: %ext:_(s32) = G_ANYEXT %sel(s1)
    ; CHECK-NEXT: $w0 = COPY %ext(s32)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s64) = COPY $x2
    %c:_(s1) = G_TRUNC %0
    %t:_(s1) = G_TRUNC %1
    %f:_(s1) = G_TRUNC %2
    %one:_(s1) = G_CONSTANT i1 1
    %sel:_(s1) = G_SELECT %c, %t, %c
    %ext:_(s32) = G_ANYEXT %sel
    $w0 = COPY %ext(s32)
...
---
# select Cond, T, 0    --> and Cond, T
name:            bool_cond_true_zero
body:             |
  bb.1:
    liveins: $x0, $x1, $x2
    ; CHECK-LABEL: name: bool_cond_true_zero
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
    ; CHECK-NEXT: %c:_(s1) = G_TRUNC [[COPY]](s64)
    ; CHECK-NEXT: %t:_(s1) = G_TRUNC [[COPY1]](s64)
    ; CHECK-NEXT: %sel:_(s1) = G_AND %c, %t
    ; CHECK-NEXT: %ext:_(s32) = G_ANYEXT %sel(s1)
    ; CHECK-NEXT: $w0 = COPY %ext(s32)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s64) = COPY $x2
    %c:_(s1) = G_TRUNC %0
    %t:_(s1) = G_TRUNC %1
    %f:_(s1) = G_TRUNC %2
    %zero:_(s1) = G_CONSTANT i1 0
    %sel:_(s1) = G_SELECT %c, %t, %zero
    %ext:_(s32) = G_ANYEXT %sel
    $w0 = COPY %ext(s32)
...
---
# select Cond, T, 1 --> or (not Cond), T
name:            bool_cond_true_one
body:             |
  bb.1:
    liveins: $x0, $x1, $x2
    ; CHECK-LABEL: name: bool_cond_true_one
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x1
    ; CHECK-NEXT: %c:_(s1) = G_TRUNC [[COPY]](s64)
    ; CHECK-NEXT: %t:_(s1) = G_TRUNC [[COPY1]](s64)
    ; CHECK-NEXT: %one:_(s1) = G_CONSTANT i1 true
    ; CHECK-NEXT: [[XOR:%[0-9]+]]:_(s1) = G_XOR %c, %one
    ; CHECK-NEXT: %sel:_(s1) = G_OR [[XOR]], %t
    ; CHECK-NEXT: %ext:_(s32) = G_ANYEXT %sel(s1)
    ; CHECK-NEXT: $w0 = COPY %ext(s32)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s64) = COPY $x2
    %c:_(s1) = G_TRUNC %0
    %t:_(s1) = G_TRUNC %1
    %f:_(s1) = G_TRUNC %2
    %one:_(s1) = G_CONSTANT i1 1
    %sel:_(s1) = G_SELECT %c, %t, %one
    %ext:_(s32) = G_ANYEXT %sel
    $w0 = COPY %ext(s32)
...
---
# select Cond, 0, F --> and (not Cond), F
name:            bool_cond_zero_false
body:             |
  bb.1:
    liveins: $x0, $x1, $x2
    ; CHECK-LABEL: name: bool_cond_zero_false
    ; CHECK: [[COPY:%[0-9]+]]:_(s64) = COPY $x0
    ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s64) = COPY $x2
    ; CHECK-NEXT: %c:_(s1) = G_TRUNC [[COPY]](s64)
    ; CHECK-NEXT: %f:_(s1) = G_TRUNC [[COPY1]](s64)
    ; CHECK-NEXT: [[C:%[0-9]+]]:_(s1) = G_CONSTANT i1 true
    ; CHECK-NEXT: [[XOR:%[0-9]+]]:_(s1) = G_XOR %c, [[C]]
    ; CHECK-NEXT: %sel:_(s1) = G_AND [[XOR]], %f
    ; CHECK-NEXT: %ext:_(s32) = G_ANYEXT %sel(s1)
    ; CHECK-NEXT: $w0 = COPY %ext(s32)
    %0:_(s64) = COPY $x0
    %1:_(s64) = COPY $x1
    %2:_(s64) = COPY $x2
    %c:_(s1) = G_TRUNC %0
    %t:_(s1) = G_TRUNC %1
    %f:_(s1) = G_TRUNC %2
    %zero:_(s1) = G_CONSTANT i1 0
    %sel:_(s1) = G_SELECT %c, %zero, %f
    %ext:_(s32) = G_ANYEXT %sel
    $w0 = COPY %ext(s32)
...